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Paper Abstract and Keywords
Presentation 2015-07-30 10:30
[Poster Presentation] A study on improved scheme of subcarrier allocation order in downlink non-orthogonal multiple access
Eiji Okamoto (NITech) RCC2015-26 NS2015-46 RCS2015-109 SR2015-27 ASN2015-36
Abstract (in Japanese) (See Japanese page) 
(in English) In the next-generation mobile communication system, it is considered that a system capacity is enlarged by exploiting a non-orthogonal multiple user access. In downlink multicarrier non-orthogonal multiple access (NOMA) scheme, each subband is allocated to single or multiple users by using a scheduling algorithm. In this scheduling, the proportional fairness is usually considered and users with few allocated resources are assigned on a priority basis. However, the fairness up to previous frames to be allocated was taken into account to reduce the complexity of scheduling. Therefore, in this paper, we propose an improved scheduling scheme, where the fairness index is updated during the scheduling on a target frame, and also the subband order to be allocated is adaptively changed to make better subband selected to a priority user. Then, the priority user may be allocated into a good subband and the capacity is increased by the proposed scheme. Numerical results show that the proposed scheme can improve both the system capacity and the fairness among users simultaneously.
Keyword (in Japanese) (See Japanese page) 
(in English) non-orthogonal multiple access / scheduling / proportional fair / MIMO / downlink / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 160, RCS2015-109, pp. 49-54, July 2015.
Paper # RCS2015-109 
Date of Issue 2015-07-22 (RCC, RCS, SR, ASN), 2015-07-23 (NS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCC2015-26 NS2015-46 RCS2015-109 SR2015-27 ASN2015-36

Conference Information
Committee RCC ASN RCS NS SR  
Conference Date 2015-07-29 - 2015-07-31 
Place (in Japanese) (See Japanese page) 
Place (in English) JA Naganoken Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M: Machine-to-Machine, D2D (Device-to-Device),etc. 
Paper Information
Registration To RCS 
Conference Code 2015-07-RCC-ASN-RCS-NS-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on improved scheme of subcarrier allocation order in downlink non-orthogonal multiple access 
Sub Title (in English)  
Keyword(1) non-orthogonal multiple access  
Keyword(2) scheduling  
Keyword(3) proportional fair  
Keyword(4) MIMO  
Keyword(5) downlink  
1st Author's Name Eiji Okamoto  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
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Date Time 2015-07-30 10:30:00 
Presentation Time 90 
Registration for RCS 
Paper # IEICE-RCC2015-26,IEICE-NS2015-46,IEICE-RCS2015-109,IEICE-SR2015-27,IEICE-ASN2015-36 
Volume (vol) IEICE-115 
Number (no) no.158(RCC), no.159(NS), no.160(RCS), no.161(SR), no.162(ASN) 
Page pp.47-52(RCC), pp.51-56(NS), pp.49-54(RCS), pp.65-70(SR), pp.87-92(ASN) 
#Pages IEICE-6 
Date of Issue IEICE-RCC-2015-07-22,IEICE-NS-2015-07-23,IEICE-RCS-2015-07-22,IEICE-SR-2015-07-22,IEICE-ASN-2015-07-22 

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